Ryota Igarashi vs. Tom Williams — Career Comparison

On the career pitching numbers, Tom Williams posted a stronger line than Ryota Igarashi. Tom Williams posted stronger numbers in ERA (4.36 vs 6.41) and WHIP (1.606 vs 1.849). By the career numbers, Tom Williams had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.